HinKhoj Dictionary

faux pas: A social blunder (सामाजिक गलती)
femme fatale: Deadly Woman; An alluring, mysterious woman who seduces men into compromising situations (सुंदर पर खतरनाक स्त्री)
haute couture: High cuisine; High-class, fancy (and expensive) cooking or food (उच्च स्तर का खाना)
joie de vivre: Joy of living; The quality in people who live life to the fullest (जीवन का आनन्द)
par excellence: The best of the best (सर्वोत्कृष्ट)